All Things Mk5 > Performance Modifications

K03 stage 2/2+

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Joshryan:
Hi I'm currently running stage 1 on my gti at 242bhp I have since added an intake and next is the decat downpipe.
Before I go ahead with stage 2 I was wondering if I added an s3 intercooler and also an uprated fuel pump what difference in results I'd get? Or should I just stick with the basic stage 2 mods. Thanks in advance to anybody who has any info.

I'm thinking k04 in the long run but for now I want to see how far I can take the k03! Thanks

jomatuom:
I have same kind of setup in my mind, atm I have S3 cooler and MTC intake installed. I will also install Milltek downpipe and Autotech hpfp internals. Wondering also what else should I install before I have my car adjusted in dyno. With ko3 is there need for S3 injectors? Eventually I think ko4 will be the way, but not right now..

Joshryan:
I think similar then if I go for k04 more of the setup is ready. Wondering how close to 300bhp you can get on k03. I know they run out of boost high up the revs

Wildengti:
Are you running a decat for high flow? Which dv have you got too? Have you changed the pcv?? Sorry for question but thinking about goin straight to stage2.

cobz:
I run a bluefin stage 1 currently which is good but lacking in a lot of ways..

My plan is the intake next, then miltek sport cat downpipe. Looking to take it in to R-Tech to get stage 2 minimum but I was also wondering what else I would need to do to push it to stage 2+.

I realise brakes are going to need an upgrade at that power so that is also on the list.

How neccessary is it to upgrade HPFP?

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